2 * Copyright (C) 2012, 2013
6 * Permission is hereby granted, free of charge, to any person obtaining a copy of
7 * this software and associated documentation files (the "Software"), to deal in
8 * the Software without restriction, including without limitation the rights to
9 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is furnished to do
11 * so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 unsigned int opts_optimizationcount[COUNT_OPTIMIZATIONS];
26 opts_cmd_t opts; /* command lien options */
28 static void opts_setdefault() {
29 memset(&opts, 0, sizeof(opts_cmd_t));
30 opts.correction = true;
33 opts_set(opts.warn, WARN_UNUSED_VARIABLE, true);
34 opts_set(opts.warn, WARN_USED_UNINITIALIZED, true);
35 opts_set(opts.warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
36 opts_set(opts.warn, WARN_EXTENSIONS, true);
37 opts_set(opts.warn, WARN_FIELD_REDECLARED, true);
38 opts_set(opts.warn, WARN_MISSING_RETURN_VALUES, true);
39 opts_set(opts.warn, WARN_INVALID_PARAMETER_COUNT, true);
40 opts_set(opts.warn, WARN_LOCAL_SHADOWS, false);
41 opts_set(opts.warn, WARN_LOCAL_CONSTANTS, true);
42 opts_set(opts.warn, WARN_VOID_VARIABLES, true);
43 opts_set(opts.warn, WARN_IMPLICIT_FUNCTION_POINTER, true);
44 opts_set(opts.warn, WARN_VARIADIC_FUNCTION, true);
45 opts_set(opts.warn, WARN_FRAME_MACROS, true);
46 opts_set(opts.warn, WARN_EFFECTLESS_STATEMENT, true);
47 opts_set(opts.warn, WARN_END_SYS_FIELDS, true);
48 opts_set(opts.warn, WARN_ASSIGN_FUNCTION_TYPES, true);
49 opts_set(opts.warn, WARN_PREPROCESSOR, true);
50 opts_set(opts.warn, WARN_MULTIFILE_IF, true);
51 opts_set(opts.warn, WARN_DOUBLE_DECLARATION, true);
52 opts_set(opts.warn, WARN_CONST_VAR, true);
53 opts_set(opts.warn, WARN_MULTIBYTE_CHARACTER, true);
54 opts_set(opts.warn, WARN_UNKNOWN_PRAGMAS, true);
55 opts_set(opts.warn, WARN_UNREACHABLE_CODE, true);
56 opts_set(opts.warn, WARN_CPP, true);
57 opts_set(opts.warn, WARN_UNKNOWN_ATTRIBUTE, true);
58 opts_set(opts.warn, WARN_RESERVED_NAMES, true);
59 opts_set(opts.warn, WARN_UNINITIALIZED_CONSTANT, true);
60 opts_set(opts.warn, WARN_UNINITIALIZED_GLOBAL, false);
61 opts_set(opts.warn, WARN_DEPRECATED, true);
62 opts_set(opts.warn, WARN_PARENTHESIS, true);
64 opts_set(opts.flags, ADJUST_VECTOR_FIELDS, true);
65 opts_set(opts.flags, FTEPP, false);
66 opts_set(opts.flags, FTEPP_PREDEFS, false);
67 opts_set(opts.flags, CORRECT_TERNARY, true);
68 opts_set(opts.flags, BAIL_ON_WERROR, true);
69 opts_set(opts.flags, LEGACY_VECTOR_MATHS, true);
70 opts_set(opts.flags, DARKPLACES_STRING_TABLE_BUG, true);
73 void opts_backup_non_Wall() {
75 for (i = 0; i <= WARN_DEBUG; ++i)
76 opts_set(opts.warn_backup, i, OPTS_WARN(i));
79 void opts_restore_non_Wall() {
81 for (i = 0; i <= WARN_DEBUG; ++i)
82 opts_set(opts.warn, i, OPTS_GENERIC(opts.warn_backup, i));
85 void opts_backup_non_Werror_all() {
87 for (i = 0; i <= WARN_DEBUG; ++i)
88 opts_set(opts.werror_backup, i, OPTS_WERROR(i));
91 void opts_restore_non_Werror_all() {
93 for (i = 0; i <= WARN_DEBUG; ++i)
94 opts_set(opts.werror, i, OPTS_GENERIC(opts.werror_backup, i));
97 void opts_init(const char *output, int standard, size_t arraysize) {
100 opts.output = output;
101 opts.standard = (opts_std_t)standard; /* C++ ... y u no like me? */
102 opts.max_array_size = arraysize;
105 static bool opts_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
108 for (i = 0; i < listsize; ++i) {
109 if (!strcmp(name, list[i].name)) {
110 longbit lb = list[i].bit;
113 flags[lb.idx] |= (1<<(lb.bit));
115 flags[lb.idx] &= ~(1<<(lb.bit));
120 flags[0] &= ~(1<<(lb));
127 bool opts_setflag (const char *name, bool on) {
128 return opts_setflag_all(name, on, opts.flags, opts_flag_list, COUNT_FLAGS);
130 bool opts_setwarn (const char *name, bool on) {
131 return opts_setflag_all(name, on, opts.warn, opts_warn_list, COUNT_WARNINGS);
133 bool opts_setwerror(const char *name, bool on) {
134 return opts_setflag_all(name, on, opts.werror, opts_warn_list, COUNT_WARNINGS);
136 bool opts_setoptim (const char *name, bool on) {
137 return opts_setflag_all(name, on, opts.optimization, opts_opt_list, COUNT_OPTIMIZATIONS);
140 void opts_set(uint32_t *flags, size_t idx, bool on) {
142 LONGBIT_SET(lb, idx);
145 flags[lb.idx] |= (1<<(lb.bit));
147 flags[lb.idx] &= ~(1<<(lb.bit));
150 flags[0] |= (1<<(lb));
152 flags[0] &= ~(1<<(lb));
156 void opts_setoptimlevel(unsigned int level) {
158 for (i = 0; i < COUNT_OPTIMIZATIONS; ++i)
159 opts_set(opts.optimization, i, level >= opts_opt_oflag[i]);
163 * Standard configuration parser and subsystem. Yes, optionally you may
164 * create ini files or cfg (the driver accepts both) for a project opposed
165 * to supplying just a progs.src (since you also may need to supply command
166 * line arguments or set the options of the compiler) [which cannot be done
169 static char *opts_ini_rstrip(char *s) {
170 char *p = s + strlen(s);
171 while(p > s && isspace(*--p))
176 static char *opts_ini_lskip(const char *s) {
177 while (*s && isspace(*s))
182 static char *opts_ini_next(const char *s, char c) {
184 while (*s && *s != c && !(last && *s == ';'))
185 last = !!isspace(*s), s++;
190 static size_t opts_ini_parse (
192 char *(*loadhandle)(const char *, const char *, const char *),
199 char section_data[2048] = "";
200 char oldname_data[2048] = "";
202 /* parsing and reading variables */
208 while (file_getline(&line, &linesize, filehandle) != EOF) {
213 (unsigned char)parse_beg[0] == 0xEF &&
214 (unsigned char)parse_beg[1] == 0xBB &&
215 (unsigned char)parse_beg[2] == 0xBF
218 parse_beg ++; /* 0xEF */
219 parse_beg ++; /* 0xBB */
220 parse_beg ++; /* 0xBF */
223 if (*(parse_beg = opts_ini_lskip(opts_ini_rstrip(parse_beg))) == ';' || *parse_beg == '#') {
224 /* ignore '#' is a perl extension */
225 } else if (*parse_beg == '[') {
227 if (*(parse_end = opts_ini_next(parse_beg + 1, ']')) == ']') {
228 * parse_end = '\0'; /* terminate bro */
229 strncpy(section_data, parse_beg + 1, sizeof(section_data));
230 section_data[sizeof(section_data) - 1] = '\0';
231 *oldname_data = '\0';
233 /* otherwise set error to the current line number */
236 } else if (*parse_beg && *parse_beg != ';') {
237 /* not a comment, must be a name value pair :) */
238 if (*(parse_end = opts_ini_next(parse_beg, '=')) != '=')
239 parse_end = opts_ini_next(parse_beg, ':');
241 if (*parse_end == '=' || *parse_end == ':') {
242 *parse_end = '\0'; /* terminate bro */
243 read_name = opts_ini_rstrip(parse_beg);
244 read_value = opts_ini_lskip(parse_end + 1);
245 if (*(parse_end = opts_ini_next(read_value, '\0')) == ';')
247 opts_ini_rstrip(read_value);
249 /* valid name value pair, lets call down to handler */
250 strncpy(oldname_data, read_name, sizeof(oldname_data));
251 oldname_data[sizeof(oldname_data) - 1] ='\0';
253 if ((*errorhandle = loadhandle(section_data, read_name, read_value)) && !error)
256 /* otherwise set error to the current line number */
267 * returns true/false for a char that contains ("true" or "false" or numeric 0/1)
269 static bool opts_ini_bool(const char *value) {
270 if (!strcmp(value, "true")) return true;
271 if (!strcmp(value, "false")) return false;
272 return !!atoi(value);
275 static char *opts_ini_load(const char *section, const char *name, const char *value) {
280 * undef all of these because they may still be defined like in my
283 #undef GMQCC_TYPE_FLAGS
284 #undef GMQCC_TYPE_OPTIMIZATIONS
285 #undef GMQCC_TYPE_WARNS
288 #define GMQCC_TYPE_FLAGS
289 #define GMQCC_DEFINE_FLAG(X) \
290 if (!strcmp(section, "flags") && !strcmp(name, #X)) { \
291 opts_set(opts.flags, X, opts_ini_bool(value)); \
297 #define GMQCC_TYPE_WARNS
298 #define GMQCC_DEFINE_FLAG(X) \
299 if (!strcmp(section, "warnings") && !strcmp(name, #X)) { \
300 opts_set(opts.warn, WARN_##X, opts_ini_bool(value)); \
305 /* Werror-individuals */
306 #define GMQCC_TYPE_WARNS
307 #define GMQCC_DEFINE_FLAG(X) \
308 if (!strcmp(section, "errors") && !strcmp(name, #X)) { \
309 opts_set(opts.werror, WARN_##X, opts_ini_bool(value)); \
315 #define GMQCC_TYPE_OPTIMIZATIONS
316 #define GMQCC_DEFINE_FLAG(X,Y) \
317 if (!strcmp(section, "optimizations") && !strcmp(name, #X)) { \
318 opts_set(opts.optimization, OPTIM_##X, opts_ini_bool(value)); \
323 /* nothing was found ever! */
325 if (strcmp(section, "flags") &&
326 strcmp(section, "warnings") &&
327 strcmp(section, "optimizations"))
329 vec_upload(error, "invalid section `", 17);
330 vec_upload(error, section, strlen(section));
331 vec_push (error, '`');
332 vec_push (error, '\0');
334 vec_upload(error, "invalid variable `", 18);
335 vec_upload(error, name, strlen(name));
336 vec_push (error, '`');
337 vec_upload(error, " in section: `", 14);
338 vec_upload(error, section, strlen(section));
339 vec_push (error, '`');
340 vec_push (error, '\0');
347 * Actual loading subsystem, this finds the ini or cfg file, and properly
348 * loads it and executes it to set compiler options.
350 void opts_ini_init(const char *file) {
352 * Possible matches are:
363 if (!(ini = file_open((file = "gmqcc.ini"), "r")))
365 if (!(ini = file_open((file = "gmqcc.cfg"), "r")))
367 } else if (!(ini = file_open(file, "r")))
370 con_out("found ini file `%s`\n", file);
372 if ((line = opts_ini_parse(ini, &opts_ini_load, &error)) != 0) {
373 /* there was a parse error with the ini file */
374 con_printmsg(LVL_ERROR, file, line, "error", error);